2025ljb

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Information

Transient

Name: AT2025ljb
Right ascension: 16h28m01.54s
Declination: 14d32m49.75s
Discovery Date: May 16, 2025, 9:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name: 2025ljb
Right ascension: 16h28m01.45s
Declination: 14d32m51.04s
Redshift: 0.075322
Photometric Redshift: 0.072
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 2.09
Cutout download processed 13.58
Global aperture construction processed 0.67
Local aperture photometry processed 5.39
Global aperture photometry processed 5.46
Validate local photometry processed 0.02
Validate global photometry processed 15.32
Host information processed 0.08
Global host SED inference processed 491.5
Local host SED inference processed 456.81
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.07
Processing status completed N/A N/A
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 16h28m01.54s, 14d32m49.75s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 49.85 0.38 19.656 0.008 AB
SDSS_r 71.3 2.27 19.267 0.034 AB
PanSTARRS_r 66.93 0.28 19.336 0.005 AB
SDSS_i 92.92 2.73 18.980 0.032 AB
PanSTARRS_i 80.79 0.45 19.132 0.006 AB
PanSTARRS_z 82.11 1.19 19.114 0.016 AB
SDSS_z 87.08 4.68 19.050 0.058 AB
PanSTARRS_y 92.42 1.89 18.986 0.022 AB

Aperture details

RA, DEC (J2000) = 16h28m01.46s, 14d32m50.49s
semi major axis, semi minor axis (arcsec) = 7.36, 4.7
angle (degrees, anti-clockwise from east) = -25.85

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 136.32 6.35 18.564 0.051 AB
SDSS_g 266.6 4.54 17.835 0.018 AB
PanSTARRS_g 274.98 1.5 17.802 0.006 AB
SDSS_r 390.79 5.68 17.420 0.016 AB
PanSTARRS_r 392.71 1.08 17.415 0.003 AB
SDSS_i 502.49 7.46 17.147 0.016 AB
PanSTARRS_i 512.12 1.83 17.127 0.004 AB
PanSTARRS_z 550.92 4.91 17.047 0.010 AB
SDSS_z 518.45 17.96 17.113 0.038 AB
PanSTARRS_y 611.37 7.81 16.934 0.014 AB
2MASS_J 751.65 129.03 15.815 0.186 Vega
2MASS_H 938.66 224.59 15.101 0.260 Vega
2MASS_K 874.28 240.02 14.708 0.298 Vega
WISE_W1 341.19 12.26 14.869 0.039 Vega
WISE_W2 201.72 15.63 14.799 0.084 Vega
WISE_W3 863.93 80.27 11.385 0.101 Vega
WISE_W4 1085.53 485.66 9.691 0.486 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.883 9.074 9.200
{\rm log}_{10}({\rm SFR}) -1.360 -0.823 -0.076
{\rm log}_{10}({\rm sSFR}) -10.461 -9.877 -9.035
{\rm stellar\ age} 1.638 4.685 6.489

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.725 -1.305 -0.717
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.671 -0.906 0.081

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.106 0.398 0.821
\delta -0.530 -0.084 0.246
\tau_1/\tau_2 0.695 1.052 1.380
Q_{PAH} 1.087 2.983 5.449
U_{min} 3.155 8.337 15.304
{\rm log}_{10}(\gamma_e)\, -2.945 -1.843 -0.774

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.065 -1.049 -0.280
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.415 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.434 -1.070 -0.748
0.03-0.10 Gyr -1.504 -0.772 0.062
0.10-0.33 Gyr -1.050 -0.432 0.137
0.33-1.07 Gyr -1.346 -0.595 -0.210
1.07-3.51 Gyr -1.818 -0.782 -0.514
3.51-11.49 Gyr -2.575 -1.080 -0.721
11.49-12.76 Gyr -2.561 -1.138 -0.536

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.771 9.949 10.069
{\rm log}_{10}({\rm SFR}) -0.053 0.461 0.891
{\rm log}_{10}({\rm sSFR}) -10.039 -9.525 -8.928
{\rm stellar\ age} 5.375 6.865 8.493

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.149 -0.749 -0.503
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.456 0.251 0.422

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.071 0.176 0.336
\delta -0.879 -0.592 -0.025
\tau_1/\tau_2 0.577 0.995 1.408
Q_{PAH} 0.742 2.110 4.760
U_{min} 2.469 7.185 14.291
{\rm log}_{10}(\gamma_e)\, -3.421 -2.365 -1.291

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.897 -2.577 -1.787
{\rm log}_{10}(\tau_{AGN})\, 0.989 1.407 1.862

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.636 -0.343 -0.136
0.03-0.10 Gyr 0.046 0.602 1.046
0.10-0.33 Gyr -1.366 -0.063 0.309
0.33-1.07 Gyr -1.953 -0.373 0.021
1.07-3.51 Gyr -0.998 -0.187 0.145
3.51-11.49 Gyr -0.498 0.019 0.207
11.49-12.76 Gyr -0.607 0.094 0.723